Finding the Fourth Proportional to 738,401.19, 1,107,601.66 and 177,435.69
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Solution
The fourth proportional to 738,401.19, 1,107,601.66 and 177,435.69 is: 266,153.50
Step by Step Solution
- Step 1: Write the proportion equation
738,401.19 : 1,107,601.66 = 177,435.69 : x - Step 2: Convert to fraction form
738,401.19/1,107,601.66 = 177,435.69/x - Step 3: Cross multiply
738,401.19x = 1,107,601.66 × 177,435.69 - Step 4: Simplify right side
738,401.19x = 196,528,059,249.24 - Step 5: Solve for x
x = 196,528,059,249.24/738,401.19 - Step 6: Final answer
x = 266,153.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.